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C. G. WALW APPARATUS POR NG AERIFORM PLUIDS. No. 322,661. Patented July 21, 1885.

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OALEB C. WALVORTH AND HERMAN SEYTER, OF BOSTON, MASSACHUSETTS.

APPARATUS FOR MIXING AERIFORM FLUIDS.

SPECIFICATION forming part of Letters Patent No. 322,661, dated July 21, 1885.

Application filed February 26, 1885. (No model.)

To all whom it may concern:

Be it known that we, GALEB QWALWORTHk and HERMAN SEYTER, of Boston, in the county of Suffolk and State of Massachusetts, have invented a new and useful Improvement in Apparatus for Mixing Aeriform Fluids; which will, in connection with the accompany ing drawings, be hereinafter fully described, and specifically dened in the appended claims.

The object of our invention is to provide a simple, economical, and positive working apparatus for regulating the mixture of two aeriform iiuids in any proportions which may be desired and determined upon, the said apparatus being especially adapted to the admixture of atmospheric air with any light hydrocarbon vapor for the purpose of illumination; and we accomplish thisby the means substantially hereinafter described, and illustrated in the 'accompanying drawings, in Which-- Figure I is a top plan view of an apparatus' embodying our invention. Fig. II is a side elevation of the same. Fig. III is a top plan view of the two meters and mixer, which we employ in connection with our invention, the method of gearing the same together to regulate the respective rotations thereof being also shown in plan. Fig. IV is a front elevation of the parts shown in Fig. III. Fig. V is a detached elevation showing in enlarged form the gearing shown in the right-hand portion of Fig. IV. Fig. VI is a detached elevation taken as at the right hand in Figs. III, IV, and V. f

In said views, A represents the generator as buried in the earth outside of house-wall G, and provided with Jfilling-pipe B, the airsupply pipe C, and gas-delivery pipe D. An air-pump,E, is driven by weight F,which is suspended by cord b, which is wound upon drum a, secured on the arbor of the pump. All

said parts being of well-known character and use need no specific description. We further provide two meters, H I, the latter being connected with gas-delivery pipe D by pipe e, while meter H is connected with air-supply pipe O by pipe c, as shown in Fig. I.

Between meters H and I, or in any proper relation thereto, we arrange a mixer, J, from which leads the house-main h, with which pipe D communicates, as shown in Fig. I. A three-way cock, f, is arranged at the junction of pipes e and D, by which the gas passing through pipe D may be turned Yeither directly into house-main h or into meter I, and astopcock, d, is arranged in pipe c by which, ifdesired,to shut oft' the passage of air from pump E to meter H whenever pipe e is shut off, so that the gas enters house-main h directly from pipe D; but the gas will not be allowed to pass from pipe D directly into main h except in case the saturation of the air passing into generator A with hydrocarbon shouldbe in the exact proportion to produce the best illuminating results.

It will be obvious that with pipe D closed at f,so that the gas therein would enter meter I through pipe e, while cock d was open to allow the air in pipe C to enter meter H through pipe c, that the pressure in said meters would be practically equal, and that they would revolve with equal velocity, thereby delivering into mixer J anA equal quantity of atmospheric air and gas, by which latter is meant air saturated with hydrocarbon. But as the gas delivered by pipe D is (after iilling generator A with gasoline) being constantly diminished in richness, therefore it is requisite to v'ary from time to time the proportions of air and gas that Venter the mixer J, in order to maintain as near as may be a uniformity of illuminating-power in the gas which is delivered by main h,- and to effect this we regulate, by means to be described, the relative number of revolutions or relative rotary velocity of the two meters. To effect this a bevel-gear, k, is secured on arbor j of meter I. A similar gear, l, carried by shaft m, meshes into gear k, the arbor m being `journaled in boxvn, which is pivotally supported in arm p,

` extending from the meter.

Upon arbor q of meter H is mounted a multiple crown-gear, s,whose teeth or studs 2 are arranged in circles, concentric with its axis, and at various distances therefrom, as shown in Figs. IV, V. A lantern-gear, u, meshes with each of said circles of teeth 2 when so arranged. Said lantern is secured upon sleeve u, which slides lineally on arbor m, but is interlocked therewith by a spline,

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as shown in Fig. 6, so as to insure the coincident rotation of the sleeve and arbor. In said sleeve are formed a series of concentric grooves, 12, coincident in number and lineal spacing to the circles of teeth 2 and their diametric relative distances apart. Said sleeve a is supported by the bail-like bracket w, secured to meter H, and in the central projection, x, of which is a horizontally-elongated passage, y, in which sleeve a is seated and revolved.

For the purpose of throwing lantern n out of gear with wheel s, a lever, z, provided with a handle, 6, is pivoted at 3 to projection x of bracket w, and a stirrup, 4, through which sleeve u passes, is pivoted at 5 to lever z, as shown, and so that when the lever is swung away from the meter sleeve u and its arbor m will be moved from gear s to an extent to disengage the lantern o from teeth 2, when the sleeve may be moved lineally to an extent to allow-the engagement of thelantern With any desired row of teeth 2, the pivotal support of journal-box n and the elongated opening in bracket w allowing such horizontal movement of the sleeve and arbor. To lock said sleeve and secure it from lineal displacement, a bar, 7, is pivoted at 8 to bracket w, the upper end, 9, of this bar being curved toward teeth 2 and habitually pressed in 'that direction by spring 11, while the lower end of said bar is curved outward, so as to enter grooves l2 in the sleeve, and lock the same when lever z is raised to the position shown in Figs. III, IV, V, VI; but when said lever is moved forward spring 1l will force the upper end, 9, of bar 7 between teeth 2, thereby locking gear s, while its lower end, 10, will be correspondingly vibrated outward and disengaged from the groove in the sleeve.

To regulate and control the movement of lever z, an arc, 14, is cut away, concentric with its pivot 3, and a stop-stud, 13, secured in projection x, arrests the movement of the lever at the proper point, when it is raised or lowered.

It will be seen that the relative revolutions of meter I and shaft m will be constant at all times; but the relative revolutions of said shaft and meter H will vary according as lantern c is enmeshed with a circle of teeth 2 nearer to or remote from the axis of gear s, and hence immediately after supplying generator A with gasoline,when the air passing through the generator will be richly saturated with hydrocarbomlantern t Will be arranged nearer the axis of gear s; but when the hydrocarbon in the generator is materially reduced, and the gas issuing therefrom becomes diluted, then the lantern will be moved to engage such circle of teeth 2 nearer the periphcry as will sufficiently decrease the rotation of meter H relatively to meter I, to produce, by the mingling of the aeriform fluids respectively issuing therefrom, a gas of the requisite illuminating power or quality.

A variety of devices may be employed for differentiating the relative rotary velocity of the two meters, and also for adjusting the ratio of such difference.

We are aware that divers patents have been issued for inventions intended to insure uniformity in the richness or illuminating-power of the gas issuing from generators of the character herein referred to, and we hereby disclaim all inventions antedating our own. A stop-cock, g, may be arranged in house-main h, as shown in Fig. VI, to prevent the movement of gas into mixer J or meters H I When they are inoperative; but when said meters are closely sealed said stop-cock may be dispensed with. Y

As said meters may be of any of the wellknown kinds which are revolved or actuated by the action of the aeriform fluid passing through the same, and the mixer J may be of any of the well-known kinds, therefore a detailed description thereof is not deemed necessary to a clear understanding of our invention.

As the method of introducing air into one of the meter-Wheels of a gas apparatus by inhalation is as well known as is that of forcing it by means of an air-pump, therefore the described means and method of forcing the air-supply of meter H is an equivalent of the other method.

We claim as our inventionl. The combination of generator A, airpump E, meters H I, and mixer J, the same being respectively connected by conduits,substantially as described, and said meters being geared together, with means for adjusting and varying the same to produce the desired variation in their relative delivering movements, substantially as specified.

2. The combination, with the air-pump, generator, and requisite connecting-conduits of an air-gas apparatus, of two meters, one being connected with the gas and the other with the air-delivery conduits, and both connected with a mixer, and means whereby the relative delivering movements of said meters may be differentiated as the required relative delivery of gas and air therefrom to the mixer may render necessary, substantially as specified. `1

3. In an organized gas apparatus, the ycombination, with two meter-wheels, one of which is connected with the gas-conduit, and the other provided with an air-supply and arranged to be rotated by the fluid-pressure, of adjustable differential gearing connected with said wheels, whereby their relative rotation may be changed at will, for the purpose specified.

4. 'Ihe combination, with arbor m, sleeve u, gears s c, and bracket w, of pivotal lever z, connected with said sleeve and arbor by a link or stirrup, pivotal bar 7, formed to alternately lock said gear s and sleeve u, and spring 11, arranged to actuate said bar, all substantially as specified.

5; The combination, with meters H I, the

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one connected with the air-pump and the other with the generator, of arbor m, gears k ls v, and means whereby the relative rotations of said gears s fv may be varied, as desired, and thereby the revolutions of meter H may be increased or retarded relatively to meter 1,.

substantially as speeied.

6. The combination of pump E, generator A, meters H I, mixers J, connections C D c e,

gears 7c Z, arbor m, gears s n, and sleeve u, le- Io ver z, bar 7, and spring 11, all arranged to operate substantially as specilied.

CALEB o. WALWORTH. HERMAN sEYTER.

Witnesses:

O. B. HALL, T. W. PORTER. 

